Relajación, la clave para determinar la dinámica molecular: RMN dinámica
Palabras clave:
RMN-dinámica, forma de la señal, EXSY, efecto nuclear Overhauser generalizado, tiempo de relajación, T1, T2, T1r, tiempo de correlación, intercambio químicoSinopsis
En este capítulo se describen los diversos métodos con los que cuenta la RMN dinámica, tanto en experimentos de 1D clásicos como “la forma de la señal” hasta los que pueden demostrar el intercambio químico en 2D.
Capítulos
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Relajación, la clave para determinar la dinámica molecular: RMN dinámica
Citas
Allerhand, Adam, Chen Fu-Ming y Herbert S. Gutowsky. 1965. “Spin-echo NMR studies of chemical exchange. III. Conformational isomerization of cyclohexane and cyclohexane-d11.” Journal of Chemical Physics. 42: 3040-7. https://doi.org/10.1063/1.1696376
Alva Rito, Camilo. 2002 “Síntesis y análisis estructural de a-hidroxi-ciclohexanonas y ciclohexanoles.” Tesis de Licenciatura. Universidad Autónoma de Nayarit. Facultad
de Ciencias e Ingenierias. Realizada en el Departamento de Química del Cinvestav con asesoría de Ariza-Castolo, Armando.
Ariza-Castolo, Armando. 2008. “Beyond Excitation NMR Relaxation.” Concepts in Magnetic Resonance Part A. 32A(3): 168-82. https://doi.org/10.1002/cmr.a.20113
Bagno, Alessandro 2002. “Probing the solvation shell of organic molecules by intermolecular 1H NOESY.” Journal of Physical Organic Chemistry. 15: 790-5. https://doi.org/10.1002/poc.543
Bakhmutov, Vladimir I. 2004. “Practical NMR Relaxation for Chemists”. West Sussex,
Inglaterra: John Wiley & Sons Ltd.
Breitmaier, Eberhard, Spohn Karl-Heinz y Berger Stefan. 1975. “13C Spin-Lattice Relaxation Times and the Mobility of Organic Molecules in Solution.” Angewandte Chemie International Edition. 14(3): 144-59. https://doi.org/10.1002/anie.197501441
Bryant, Robert G. 1983. “The NMR Time Scale”. Journal of Chemical Education. 60 (11): 933-5. https://doi.org/10.1021/ed060p933
Casarini, Daniele, Lodovico Lunazzi y Andrea Mazzanti. 2010. “Recent Advances in Stereodynamics and Conformational Analysis by Dynamic NMR and Theore-tical Calculations.” European Journal of Organic Chemistry. 2010, 2035-56.
https://doi.org/10.1002/ejoc.200901340
Friebolin, Horst. 2010. “Basic One- and Two-Dimensional NMR Spectroscopy”. 5th, Complete Revised and Updated Edition. West Sussex, Inglaterra: Wiley-VCH.
Gift, Alan D., Sarah M. Stewart y Patrick Kwete Bokashanga. 2012. “Experimental Determination of pKa Values by Use of NMR Chemical Shifts, Revisited.” Journal of Chemical Education. 89: 1458-60. https://doi.org/10.1021/ed200433z
Guerrero-Álvarez, Jorge Antonio, Wendy Paloma Mas-Ku, Cesar Garcías-Morales y
Armando Ariza-Castolo. 2010. “Relative acidities and structure analysis of
cis and trans isomers of 1,5-oxazaspiro[5.5]undecane derivatives by multinuclear
magnetic resonance.” Magnetic Resonance in Chemistry. 48: 356-61.
https://doi.org/10.1002/mrc.2592
Handloser, Carolyn S., M. R. Chakrabarty y Melvyn W. Mosher. 1973. “Experimental
Determination of pKa Values by Use of NMR Chemical Shifts.” Journal of
Chemical Education. 50 (7): 510-1. https://doi.org/10.1021/ed050p510.
Kleiner, D. A. y Gerhard Binsch. 1969. Program DNMR3, QCPE 0165,
Kuhlmann, Karl F. y David M. Grant. 1971. “Carbon-13 relaxation and internal rotation in mesitylene and o-xylene.” Journal of Chemical Physics. 55:2998-3007.
https://doi.org/10.1063/1.1676529
Lambert, Joseph B., Ronald J. Nienhuis y Joe W. Keepers. 1981. “The Kinetics of Intramolecular Reactions from Relaxation Time Measurements.” Angewandte Chemie International Edition. 20: 497-500. https://doi.org/10.1002/anie.198104873.
Lyerla, James R. Jr. y David M. Grant. 1972. “Influence of internal motion on the carbon-13 relaxation times of methyl carbons.” Journal of Chemical Physics. 76:
-6. https://doi.org/10.1021/j100666a019.
Nagashima, Toshio, Keisuke Ueda, Chiaki Nishimura y Toshio Yamazaki. 2015. “Structure-Correlation NMR Spectroscopy for Macromolecules Using Repeated
Bidirectional Photoisomerization of Azobenzene.” Analytical Chemistry. 87:
-52. https://doi.org/10.1021/acs.analchem.5b03427.
Orrell, K. G. y Vladimir Šik. 1993. “Dynamic NMR Spectroscopy in Inorganic and Organometallic Chemistry”. Annual Reports on NMR Spectroscopy. 27: 103-171.
https://doi.org/10.1016/S0066-4103(08)60266-5
Peralta-Cruz, Javier, Vladimir I. Bakhmutov y Armando Ariza-Castolo. 2001. “Complete multinuclear magnetic resonance analysis of heterophospholanes and their sulfur, selenium and borane adducts.” Magnetic Resonance in Chemistry. 39:
-93. https://doi.org/10.1002/mrc.817
Perrin, Charles L. y Tammy J. Dwyer. 1990, “Application of Two-Dimensional NMR to
Kinetics of Chemical Exchange.” Chemical Reviews. 90: 935-967. https://doi.
org/10.1021/cr00104a002
Perrin, Charles L. y Fabian A. Miles. 1996. “Multicomponent NMR Titration for Simultaneous Measurement of Relative pKas.” Analytical Chemistry. 68: 2127-34.
https://doi.org/10.1021/ac960117z
Woessner Donald E. 1962. “Nuclear spin relaxation in ellipsoids undergoing rotational Brownian motion.” Journal of Chemical Physics. 37:647-54. https://doi.org/10.1063/1.1701390
Zens, A.P. y Paul D. Ellis. 1975. “Measurement of methyl barriers to rotation from carbon-13 spin-rotation relaxation times.” Journal of the American Chemical Society.
: 5685-8. https://doi.org/10.1021/ja00853a007